staging: brcm80211: fix for checkpatch 'avoid externs in c file' warning

Signed-off-by: NRoland Vossen <rvossen@broadcom.com>
Reviewed-by: NArend van Spriel <arend@broadcom.com>
Reviewed-by: NFranky Lin <frankyl@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/bcmsdh.c

@@ -103,16 +103,8 @@ static struct brcmf_sdioh_driver drvinfo = { NULL, NULL };
 
 module_param(sd_msglevel, uint, 0);
 
-extern uint sd_f2_blocksize;
 module_param(sd_f2_blocksize, int, 0);
 
-/* forward declarations */
-int brcmf_sdio_probe(struct device *dev);
-EXPORT_SYMBOL(brcmf_sdio_probe);
-
-int brcmf_sdio_remove(struct device *dev);
-EXPORT_SYMBOL(brcmf_sdio_remove);
-
 struct brcmf_sdio_card*
 brcmf_sdcard_attach(void *cfghdl, u32 *regsva, uint irq)
 {
@@ -590,6 +582,7 @@ int brcmf_sdio_probe(struct device *dev)
 
 	return -ENODEV;
 }
+EXPORT_SYMBOL(brcmf_sdio_probe);
 
 int brcmf_sdio_remove(struct device *dev)
 {
@@ -619,6 +612,7 @@ int brcmf_sdio_remove(struct device *dev)
 	kfree(sdhc);
 	return 0;
 }
+EXPORT_SYMBOL(brcmf_sdio_remove);
 
 int brcmf_sdio_register(struct brcmf_sdioh_driver *driver)
 {

drivers/staging/brcm80211/brcmfmac/dhd_linux.c

@@ -423,7 +423,7 @@ static int _brcmf_set_mac_address(struct brcmf_info *drvr_priv, int ifidx, u8 *a
 }
 
 #ifdef SOFTAP
-extern struct net_device *ap_net_dev;
+static struct net_device *ap_net_dev;
 #endif
 
 /* Virtual interfaces only ((ifp && ifp->info && ifp->idx == true) */
@@ -469,7 +469,7 @@ static void brcmf_op_if(struct brcmf_if *ifp)
 #ifdef SOFTAP
 				/* semaphore that the soft AP CODE
 					 waits on */
-				extern struct semaphore ap_eth_sema;
+				struct semaphore ap_eth_sema;
 
 				/* save ptr to wl0.1 netdev for use
 					 in wl_iw.c  */

drivers/staging/brcm80211/brcmfmac/sdio_host.h

@@ -341,6 +341,7 @@ extern int brcmf_sdioh_abort(struct sdioh_info *si, uint fnc);
 extern void brcmf_sdio_wdtmr_enable(bool enable);
 
 extern uint sd_msglevel;	/* Debug message level */
+extern uint sd_f2_blocksize;
 
 extern struct brcmf_sdmmc_instance *gInstance;